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Unit Size
 
 

Unit Size is a mechanic that defines a unit's size in the game.

Definition[]

Only Selection Size can change as Model Size changes. Other unit sizes do not have relationship with each other.

Unit sizes are not directly set by a number in their data. Instead, sizes are standardized for all units, with the use of collision sizes and bound radius.

Mechanics Definition Console Example
Collision Size
  • The internal size of a unit that cannot be passed through by other units.
  • Units with phased or flying movement may pass through other units conditionally, ignoring collision size.
dota_unit_show_collision_radius 1 Naga Collision Size
Bound Radius
  • Determines the absolute coordinates of a unit in the game.
  • Affects the actual attack range of the attacking unit for both Melee melee and Ranged ranged units.
  • Affects the actual cast range of unit-targeted abilities.
  • Affects the actual effect radius of various area of effect-based abilities (e.g. Aura).
dota_unit_show_bounding_radius 1 Naga Bound Radius
Selection Box
  • The Selection Box is the range size of a unit being clickable.
dota_unit_show_selection_boxes 1 Naga Selection Size
Model Size
  • The actual size and model scale ratio of a unit.
  • Does not determine the facing direction.
ent_hitbox Naga Model Size

Size Values[]

The Collision Sizes and Bound Radius of units are not directly set by a number in their data. Instead, they are standardized for all units with the following hull sizes.

Hull Name Collision Size Bound Radius Notes
DOTA_HULL_SIZE_BUILDING x x-16
  • The building's sizes are affected by the model's skeleton scale size.
  • Different building models will have different sizes, and the difference between its collision and bound radius is 16.
DOTA_HULL_SIZE_BARRACKS 160 144
DOTA_HULL_SIZE_TOWER 144 144
DOTA_HULL_SIZE_FILLER 112 96
DOTA_HULL_SIZE_HUGE 80 80
DOTA_HULL_SIZE_BIG_HERO 43 40
DOTA_HULL_SIZE_LARGE 41 40
DOTA_HULL_SIZE_SIEGE 40 16
DOTA_HULL_SIZE_REGULAR 36 16
DOTA_HULL_SIZE_HERO 27 24
DOTA_HULL_SIZE_SMALL 18 8
DOTA_HULL_SIZE_SMALLEST 4 2

Ancient minimap icon Ancients[]

Both Radiant icon Radiant and Dire icon Dire's Ancient uses the DOTA_HULL_SIZE_BUILDING. Their exact collision size and bound radius can be found in models/props_structures.

Faction Model Collision Size Bound Radius
Radiant icon Radiant radiant_ancient001.vmdl_c 314.73 298.73
Dire icon Dire dire_ancient_base001.vmdl_c 389.96 373.96

Heroes[]

Heroes Collision Size Bound Radius
Abaddon minimap iconAlchemist minimap iconAncient Apparition minimap iconAnti-Mage minimap iconArc Warden minimap iconAxe minimap iconBane minimap iconBatrider minimap iconBeastmaster minimap iconBloodseeker minimap iconBounty Hunter minimap iconBrewmaster minimap iconBristleback minimap iconBroodmother minimap iconCentaur Warrunner minimap iconChaos Knight minimap iconChen minimap iconClinkz minimap iconClockwerk minimap iconCrystal Maiden minimap iconDark Seer minimap iconDark Willow minimap iconDawnbreaker minimap iconDazzle minimap iconDeath Prophet minimap iconDisruptor minimap iconDoom minimap iconDragon Knight minimap iconDrow Ranger minimap iconEarth Spirit minimap iconEarthshaker minimap iconElder Titan minimap iconEmber Spirit minimap iconEnchantress minimap iconEnigma minimap iconFaceless Void minimap iconGrimstroke minimap iconGyrocopter minimap iconHuskar minimap iconInvoker minimap iconIo minimap iconJakiro minimap iconJuggernaut minimap iconKeeper of the Light minimap iconKunkka minimap iconLegion Commander minimap iconLeshrac minimap iconLich minimap iconLifestealer minimap iconLina minimap iconLion minimap iconLone Druid minimap iconLuna minimap iconMagnus minimap iconMarci minimap iconMars minimap iconMedusa minimap iconMirana minimap iconMorphling minimap iconMuerta minimap iconNature's Prophet minimap iconNecrophos minimap iconNight Stalker minimap iconNyx Assassin minimap iconOgre Magi minimap iconOmniknight minimap iconOracle minimap iconOutworld Destroyer minimap iconPangolier minimap iconPhantom Assassin minimap iconPhoenix minimap iconPrimal Beast minimap iconPuck minimap iconPudge minimap iconPugna minimap iconQueen of Pain minimap iconRazor minimap iconRiki minimap iconRubick minimap iconSand King minimap iconShadow Demon minimap iconShadow Fiend minimap iconShadow Shaman minimap iconSilencer minimap iconSkywrath Mage minimap iconSlardar minimap iconSlark minimap iconSnapfire minimap iconSniper minimap iconSpectre minimap iconSpirit Breaker minimap iconStorm Spirit minimap iconSven minimap iconTechies minimap iconTemplar Assassin minimap iconTerrorblade minimap iconTidehunter minimap iconTimbersaw minimap iconTinker minimap iconTiny minimap iconTreant Protector minimap iconTroll Warlord minimap iconTusk minimap iconUnderlord minimap iconUndying minimap iconUrsa minimap iconVengeful Spirit minimap iconVenomancer minimap iconViper minimap iconVisage minimap iconVoid Spirit minimap iconWarlock minimap iconWeaver minimap iconWindranger minimap iconWinter Wyvern minimap iconWitch Doctor minimap iconWraith King minimap iconZeus minimap icon 27 24
Hoodwink minimap iconLycan minimap iconMeepo minimap iconMonkey King minimap iconNaga Siren minimap iconPhantom Lancer minimap icon 18 8

Units[]

Units Collision Size Bound Radius
Fiend's Gate minimap icon Fiend's Gate 112 96
Clockwerk Power Cog icon Power Cog 80 80
Tidehunter Anchor icon Anchor, Witch Doctor Death Ward icon Death Ward, Visage Familiar icon Familiar, Melee Creep Radiant icon Flagbearer Creep, Invoker Forged Spirit icon Forged Spirit, Lich Ice Spire icon Ice Spire, Melee Creep Radiant icon Mega Flagbearer Creep, Melee Creep Radiant icon Mega Melee Creep, Melee Creep Radiant icon Melee Creep, Necronomicon Warrior icon Necronomicon Warrior, Shadow Shaman Serpent Ward icon Serpent Ward, Melee Creep Radiant icon Super Flagbearer Creep, Melee Creep Radiant icon Super Melee Creep, Undying Tombstone icon Tombstone, Wildwing Tornado icon Tornado, Nature's Prophet Treant icon Treant 36 16
Siege Creep Radiant icon Siege Creep, Siege Creep Radiant icon Mega Siege Creep, Siege Creep Radiant icon Super Siege Creep 40 16
Alpha Wolf icon Alpha Wolf, Ancient Black Dragon icon Ancient Black Dragon, Ancient Black Drake icon Ancient Black Drake, Ancient Frostbitten Golem icon Ancient Frostbitten Golem, Ancient Granite Golem icon Ancient Granite Golem, Ancient Ice Shaman icon Ancient Ice Shaman, Ancient Rock Golem icon Ancient Rock Golem, Ancient Rumblehide icon Ancient Rumblehide, Ancient Thunderhide icon Ancient Thunderhide, Beastmaster Boar icon Boar, Centaur Conqueror icon Centaur Conqueror, Centaur Courser icon Centaur Courser, Dark Troll Summoner icon Dark Troll Summoner, Fell Spirit icon Fell Spirit, Ghost icon Ghost, Giant Wolf icon Giant Wolf, Harpy Scout icon Harpy Scout, Harpy Stormcrafter icon Harpy Stormcrafter, Beastmaster Hawk icon Hawk, Hellbear icon Hellbear, Hellbear Smasher icon Hellbear Smasher, Hill Troll icon Hill Troll, Hill Troll Berserker icon Hill Troll Berserker, Hill Troll Priest icon Hill Troll Priest, Gyrocopter Homing Missile icon Homing Missile, Keeper of the Light Ignis Fatuus icon Ignis Fatuus, Kobold icon Kobold, Kobold Foreman icon Kobold Foreman, Kobold Soldier icon Kobold Soldier, Mars Soldier icon Mars Soldier, Mud Golem icon Mud Golem, Ogre Bruiser icon Ogre Bruiser, Ogre Frostmage icon Ogre Frostmage, Phoenix Sun icon Phoenix Sun, Venomancer Plague Ward icon Plague Ward, Roshan icon Roshan, Satyr Banisher icon Satyr Banisher, Satyr Mindstealer icon Satyr Mindstealer, Satyr Tormenter icon Satyr Tormenter, Shard Golem icon Shard Golem, Lone Druid Spirit Bear icon Spirit Bear, Techies Sticky Bomb icon Sticky Bomb, Tempest Double unit icon Tempest Double, Unknown Unit icon Tormentor, Vhoul Assassin icon Vhoul Assassin, Warlock Warlock Golem icon Warlock Golem, Warpine Raider icon Warpine Raider, Wildwing icon Wildwing, Wildwing Ripper icon Wildwing Ripper 27 24
Elder Titan Astral Spirit icon Astral Spirit, Weaver Beetle icon Beetle, Animal Courier Radiant minimap icon Courier, Brewmaster Earth minimap icon Earth, Enigma Eidolon icon Eidolon, Brewmaster Fire minimap icon Fire, Dark Willow Jex icon Jex, Lycan Wolf icon Lycan Lane Wolf, Lycan Wolf icon Lycan Wolf, Ranged Creep Radiant icon Mega Ranged Creep, Warlock Warlock Golem icon Minor Imp, Necronomicon Archer icon Necronomicon Archer, Zeus Nimbus icon Nimbus, Grimstroke Phantom icon Phantom, Techies Proximity Mine icon Proximity Mine, Templar Assassin Psionic Trap icon Psionic Trap, Ranged Creep Radiant icon Ranged Creep, Lua error in Module:VarQuery at line 21: No results found..Unknown Unit icon Roshan's Banner, Clinkz Skeleton Archer icon Skeleton Archer, Dark Troll Summoner Skeleton Warrior icon Skeleton Warrior, Broodmother Spiderling icon Spiderite, Broodmother Spiderling icon Spiderling, Broodmother Spin Web icon Spin Web, Brewmaster Storm minimap icon Storm, Ranged Creep Radiant icon Super Ranged Creep, Brewmaster Void minimap icon Void, Observer Ward unit icon Observer Ward, Sentry Ward unit icon Sentry Ward 18 8
Undying Zombie icon Undying Zombie, Wraith King Skeleton icon Wraith King Skeleton 4 2

Collision Size[]

Collision Size Heroes

Naga Siren minimap icon Naga Siren and Slark minimap icon Slark's collision size.

Collision Size is a unit's internal size that cannot be passed through by other units, while phased movement allows units to ignore collision size and pass through other units. A unit's collision size can be shown with dota_unit_show_collision_radius 1 with console enabled.

A unit's collision size is not directly affected by its model size or graphical model. Generally, collision size refers to the smallest possible distance between two units. Therefore, the smallest possible distance between two units is equal to the sum of the collision size of the units.

Collision size causes units to block each other with their bodies, and block units during pathfinding. Non-player-controlled units (i.e. lane creeps) do not try to path around the source that blocks them but simply walk against it as if it is not there. This effectively causes them to get stuck, until they change directions (e.g. when being aggro'd), or until the source that blocks them disappears.

Units with phased movement ignore the collision sizes of other units, causing both units to overlap. When multiple units overlap during the phase movement expiring, the units with lower collision size priority will be pushed away from the higher-priority collision size source as follows:

Priority Definition Examples
1 Immoveable Objects
2 The unit that loses phased movement first.
  • If two heroes are in the same coordinates, they will be pushed 58-distance away upon losing phased movement, regardless of the collision sizes of these heroes.
  • Illusion-creating sources.

Collision size also affects illusion-creating sources. Since two heroes (or units) cannot be in the same coordinates without phased movement, and they will be pushed 58-distance away upon losing phased movement, regardless of the collision sizes. In the following table, Phantom Lancer minimap icon Phantom Lancer and Chaos Knight minimap icon Chaos Knight have a collision size of 18 and 27 respectively. The illusions will spawn at different distances depending on the affected target's collision size as follows:

Caster Collision Size Target Collision Size Pushed Distance
Phantom Lancer minimap icon (18) Chaos Knight minimap icon (27) 58
Chaos Knight minimap icon (27) Phantom Lancer minimap icon (18) 58
Chaos Knight minimap icon Both Caster and Target have the same collision size. 58
If the target's collision size is not the same as the caster's, and it is greater than the caster's collision size.
expr
TargetCollision > CasterCollision [?]
87
Example
Chaos Knight minimap icon Chaos Knight casts Upgradable by Aghanim's Shard. Chaos Bolt icon Chaos Bolt on an enemy Marci minimap icon Marci and Siege Creep Radiant icon Siege Creep. How far the Phantasm illusion will be spawned next to both of these enemy targets?
Chaos Knight minimap icon Chaos Knight Collision Size: 27
Marci minimap icon Marci Collision Size: 27
Siege Creep Radiant icon Siege Creep Collision Size: 40
Since both heroes' collision sizes are the same, the Phantasm illusion will spawn 58-distance away when Marci minimap icon Marci does not have phased movement.
For the Siege Creep Radiant icon Siege Creep, the Phantasm illusion will spawn 87-distance away instead.

Pathing Blocker[]

Main Article: Trap
Defender Gate visualized

Defender's Gate Visualized.

A pathing blocker is an invisible entity with a collision size that physically blocks other units. Walking against a pathing blocker is akin to walking against any other unit that is not phased or flying, or walking against trees.

Phased movement does not allow a unit to path through pathing blockers, but flying or unobstructed movement does. Lane creeps cannot walk around pathing blockers and try to walk through them, effectively getting fully stopped by them. Player-controlled units try to path around them if possible.

These pathing blockers (npc_dota_thinker) created are generally not selectable.

The smallest distance between a pathing blocker and another unit depends on both entities' bound radius, not collision size. For example, the smallest distance between Marci minimap icon Marci and a Cycloned unit's center will be the sum of both entities' bound radius, which will be 48.

The picture on the right shows the Defender's Gate utilizing the collision size mechanic as a pathing blocker visualized.

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

Trees[]

Main Article: Trees

Trees are a prominent terrain feature in Dota 2. They make up a large amount of the map and are very prominent in the forests that separate the lanes and border the map. Trees block vision and are normally impassable.

Despite the varying appearance and apparent size of the various trees, all permanent trees have an block size of a 128x128 unit square.

Ignoring Collision Size[]

See also: Tree-Walking

Phased is a status that allows units to pass through other units, ignoring collision size. Phased units can freely walk through any other unit, including wards, but excluding buildings and trees. Other units can also walk through a stationary phased unit as if it is not there.

There are two different kinds of phased movement, pathing through units, and the rare kind which allows the unit to walk through anything, including buildings, cliffs and trees, which is more commonly referred to as unobstructed movement.

Certain abilities grant tree-walking, a buff that allows unobstructed movement through trees. All flying and unobstructed movement sources grant tree-walking as well.

Phased Movement[]

These abilities provide phased movement which allows moving through units:

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

The following units are permanently phased:

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

Unobstructed Movement[]

Free pathing (also known as unobstructed movement) allows affected units to path through buildings, cliffs and trees, on top of allowing them to path through other units. There is no limit to their movement and only a tiny amount of spells will block them. All sources of flying movement give units unobstructed movement. Uphill miss chance does not apply to flying units.

The following abilities provide unobstructed movement:

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

Flying Movement[]

Flying movement is similar to unobstructed movement, with only very small differences, one being that flying units hover a certain distance above the ground with unobstructed vision and that even fewer abilities block flying movement.

When a unit turns to Flying Movement, although its hitbox and model ascend above the z-axis, both its collision size and bound radius are still on the ground. The following abilities provide Flying Movement while active:

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.
Units with Flying Movement

Bound Radius[]

Bounding Size Heroes

Naga Siren minimap icon Naga Siren and Slark minimap icon Slark's bound radius.

The Bound Radius determines the absolute coordinates of a unit in the game and acts as a pseudo-buffer for certain ability types' cast range values and attack range-related values. A unit's bound radius can be shown with dota_unit_show_bounding_radius 1 with console enabled.

Bound radius also affects the size of an area of effect, if an ability is cast as a ground-targeted ability, the affected target's bound size is also considered as a buffer range for ability, therefore increasing the ability's maximum area of effect range. However, if an ability is cast centered on the caster (with ↓↓ Double-tapping), the caster's bound radius value is ignored and no buffer range is added.

Mechanics Affected Aspect / Definition Ability Examples
Attack Range
  • The bound radius of both the attacker and the attacked unit increases the actual attack range.
Cast Range
(Unit-targeted Abilities)
  • The bound radius of both the attacker and the attacked unit increases the actual cast range for unit-targeted abilities.
Laguna Blade icon Laguna Blade
Area-of-Effect Abilities
  • The bound radius affects the actual effect range of area-of-effect and aura-based abilities.
Song of the Siren icon Song of the Siren

Equations[]

For normal attacks:
Actual Attack Range = Total Attack Range + Attacker Bound Radius + Target Bound Radius

For most Melee melee heroes, the attack buffer range is defined as:
Total Melee Buffer Range = Unit Total Attack Range + Attacker Bound Radius + Target Bound Radius + 350

For abilities:
MAX Cast Range = Total Ability Cast Range + Target Bound Radius

MAX Effect Radius = Total Ability Effect Radius + Target Bound Radius

Example 1a
Maximum Distance for Attackable Range
A Tower Radiant icon Tower (Tier 1) is attacking Marci minimap icon Marci. Without other attack range-increasing sources, what is the maximum distance a normal attack would hit between the attacker and the unit being attacked?
Tower Radiant icon Tower (Tier 1) attack range: 700
Tower Radiant icon Tower (Tier 1) bound radius: 144
Marci minimap icon Marci bound radius: 24
Maximum attack range against Marci minimap icon Marci
= 700 + 144 + 24
= 868
The Tower Radiant icon Tower (Tier 1) has a 868 maximum attack range against Marci minimap icon Marci. Since the Tower cannot move, the 250 attack range buffer does not apply in this case.
Example 1b
With Attack Buffer Range
Muerta minimap icon Muerta is attacking Marci minimap icon Marci. Without other attack range-increasing sources, what is the maximum distance a normal attack would hit between the attacker and the unit being attacked?
Muerta minimap icon Muerta attack range: 575
Muerta minimap icon Muerta bound radius: 24
Marci minimap icon Marci bound radius: 24
Motion buffer distance: 250
Maximum attack range against Marci minimap icon Marci
= 575 + 24 + 24
= 623
Muerta minimap icon Muerta has a 623 maximum attack range against Marci minimap icon Marci, and her attack cancels when Marci minimap icon Marci is beyond 873 distance from her.
Therefore, units with a smaller bound radius will have a lesser actual attack range value against them.
Example 2
An Ability's Maximum Effect Radius Between Two Casters
Bound Radius example

Bound Radius affecting actual effect radius.

What is the maximum area of effect range for Naga Siren minimap icon Naga Siren's Song of the Siren icon Song of the Siren affecting Rubick minimap icon Rubick?
If Rubick minimap icon Rubick acquires Song of the Siren icon Song of the Siren via Spell Steal icon Spell Steal, what is the maximum area of effect range for Rubick's Song of the Siren affecting Naga Siren minimap icon Naga Siren?
Song of the Siren icon Song of the Siren max radius: 1400
Rubick minimap icon Rubick bound radius: 24
Naga Siren minimap icon Naga Siren bound radius: 8
Maximum effect radius against Rubick minimap icon Rubick:
= 1400 + Rubick minimap icon 24
= 1424
Maximum effect radius against Naga Siren minimap icon Naga Siren:
= 1400 + Naga Siren minimap icon 8
= 1408
Therefore, Naga Siren's Song of the Siren icon Song of the Siren has a greater area of effect of 1424 compared to Rubick minimap icon Rubick's.
Assuming both Rubick and Naga Siren are at ±1400 distance apart, an acquired Song of the Siren via Spell Steal icon Spell Steal might not affect Naga Siren if she is not within the actual effect radius since Naga Siren has a smaller bound radius as shown in the diagram on the right.

Selection Box[]

Equipment Selection Size

Selection boxes.

The selection box (or hitbox) is the range size of a unit being clickable, or when ⇱⇲ Drag is used to select units.

Most units have a minimum of two selection boxes, one exterior big cuboid, and at least one cuboid on the inside. For buildings, the cuboid inside might be larger than the exterior cuboid. Clicking outside the unit's selection box will not select the unit.

The selection box is bound to the unit's model and its values can be found using Workshop Tools. The selection boxes' size also scales with the current unit's model size. A unit's selection boxes can be shown with dota_unit_show_selection_boxes 1 with console enabled.

Certain cosmetic items change the value of the selection boxes due to having a different model as follows:

Has the following priority when the selection boxes of multiple units overlap:

  • The internal cuboid(s) ➤ The external cuboid ➤ The unit closest to the player's camera.
Hex

Hexed Windranger minimap icon Windranger, collision size stays unchanged, but the selection boxes change based on the Hex model.

Selection Boxes
Keyboard White Mouse Left Left Click
Mechanics
Exterior Cube
  • The unit is selected as long it is clicked within the range of the exterior cube.
  • Target Unit abilities are cast as long as it is clicked within the range of the exterior cube.
  • The exterior cube's size scales with the current unit's model size.
Internal Cube
  • The unit is selected as long it is clicked within the range of the internal cube as well.
  • The unit is selected as long ⇱⇲ Drag within the range of the internal cube as well.
Hollow Ring
  • Every unit has a hollow ring under the selected unit.
  • The radius of this hollow ring cannot be changed and it is set as RingRadius in npc_abilities.txt or npc_units.txt.

Unselectable[]

Main Article: Unselectability

Unselectability makes the unit not selectable, and selectable only in a few cases. Most abilities/items treat unselectable units as if they were invisible, except in a few cases. Some sources of unselectability may remove a unit's selection box, grant attack immunity, and may prevent allies or enemies or both from targeting them.

Although Hide sources also cause the unit to be unselectable and non-targetable, they are considered a different mechanic.

Model Size[]

Model Size Display

Model Size

A unit's Model Size is stored as a fixed scale value in npc_abilities.txt or npc_units.txt. Model Size can be shown with both ent_text and debug_overlay_fullposition 1 with console enabled.

Model Size shown in ent_text is equal to 1.12 * Model Scale in either npc_abilities.txt or npc_units.txt.

It has no correlation with a unit's collision size or bound radius. However, increasing the model size increases the size of a unit's selection boxes.

Also, a unit's model animations do not determine the unit's current facing direction, certain ability interactions with the current unit's model may not correctly represent the current facing direction of the unit.

In most cases, ability animations with special model animations do not change the unit's facing direction. This includes all Taunt (Equipment) and the following abilities:

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

Different Model[]

Main Articles: Transformation Abilities and Hex

The following sources directly change or replace the unit's current model. Certain abilities increase the model size as an effect as well, with more details can be found on their respective ability notes.

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

Percentage-Based Changes[]

Model Size Heroes

Black King Bar icon Avatar increases model size by 30%.

All percentage-based model scale sources stack independently and additively of each other.

Total Model Size = Base Scale × (1 + Percentage-Based Scale i)

Example
Axe minimap icon Axe currently has a model scale of 1.12. What is his current model scale upon activating Black King Bar icon Avatar?
Black King Bar icon Avatar model scale increase: 30%
1.12 × (1 + 0.3)
= 1.456
Axe minimap icon Axe has a model scale of 1.456 upon activating Black King Bar icon Avatar as shown in the picture example on the left.

Percentage Bonuses[]

1 Requires Talent talent.
2a Requires Aghanim's Scepter icon Aghanim's Scepter.
2b Requires Aghanim's Shard icon Aghanim's Shard.

Edge Cases[]

Model Size Effect

Model Size edge cases example.

In some edge cases, the unit's model size does affect gameplay and has some unique interactions between units and abilities.

Since a unit's model determines the entity attachments of projectiles, model size may indirectly affect attack animations and certain trajectories for projectiles. This may affect the following things:

  • The projectile of Rod of Atos icon Cripple starts from the front end of the hero's weapon. The larger the hero model, the closer the starting point of the projectile is to the target. Hence, the projectile will reach the target in a slightly shorter time.
  • As shown in the right attachment, with Queen of Pain minimap icon Queen of Pain's original model scale, all attack projectiles are blocked by Arena Of Blood icon Arena Of Blood.
    • After casting Black King Bar icon Avatar and increasing its model scale, the front edge of her weapon is considered inside the Arena Of Blood icon Arena Of Blood on certain attack animations, making some of her attack bypassing the Arena of Blood, and therefore damaging Mars minimap icon Mars.
    • The same also applies to Outworld Destroyer minimap icon Outworld Destroyer, who has certain attack animations releasing projectiles from the tip of the weapon.
    • Razor minimap icon Razor with Voidstorm Asylum Razor minimap icon Voidstorm Asylum equipped may attack targets near the Arena Of Blood icon Arena Of Blood within 150 range since the cosmetic uses a different attack animation in certain attack range.

Recent Changes[]

Version
Description
  • CHANGED
    Meepo minimap icon Meepo hull type from DOTA_HULL_SIZE_HERO to DOTA_HULL_SIZE_HERO_SMALL.
    • Reduced collision size from 27 to 18.
    • Reduced bound radius from 24 to 8.
  • U
    CHANGED
    Wraith King Skeleton icon Wraith King Skeleton hull type from DOTA_HULL_SIZE_HERO to DOTA_HULL_SIZE_SMALL.
    • Reduced collision size from 27 to 18.
    • Reduced bound radius from 24 to 8.
  • CHANGED
    all Melee melee heroes' from DOTA_HULL_SIZE_HERO_SMALL to DOTA_HULL_SIZE_HERO. [?]



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